CVE-2026-4377Use of Weak Credentials in D-Link DWR-X1820 router
Updated under an hour ago ()
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It affects D-Link Corporation DWR-X1820. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Dlink DWR-X1820 router uses weak default password generated from its IMEI number and does not require users to change it. An attacker who knows how passwords are generated can easily crack the default password if they have the device IMEI number. This issue was fixed in version 1.00B16CP.
- CVSS
- 6.0 MEDIUM (v4.0, CNA)CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
- Weakness (CWE)
- CWE-1391
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- CERT-PL
- NVD analysis
- Awaiting Analysis
- Record last updated
- May 28, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
D-Link Corporation DWR-X1820 d_link:dwr_x1820 (from the name) | from 1.00B14CP before 1.00B16CP | CNA record |
References
- https://cert.pl/posts/2026/05/CVE-2026-4377third-party-advisory
- https://www.dlink.com/pl/pl/products/dwr-1820-cp#supportproduct
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.